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21 Dyffryn Road, Alltwen, Pontardawe, Swansea, SA8 3BX

Property type
Detached
Habitable rooms
4
From EPC
Floor area
120 m²
1292 sq ft
Energy rating
D
Score 58
Council tax
Band C
Tenure
Owner Occupied
Overview

About 21 Dyffryn Road

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

21 Dyffryn Road is a detached house in Pontardawe, Swansea, Swansea (SA8 3BX). It has a recorded floor area of 120 m² (around 1292 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (June 2019) shows a D (score 58), a step below the typical UK home. When first surveyed in June 2011 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Poor to Good and lighting went from Average to Very Good. The recommended improvements would lift it to B (score 84), a 2-band jump.

At 120 m² the property is well over the postcode median (84 m² across 18 EPCs), placing it in the larger end of the local stock. Across 2014–2019, sale prices on this property compounded at 9.8% per year. Today's modelled estimate of £242,000 sits 75.4% above the 2019 sale of £138,000. On a £-per-square-foot basis, the last sale (£107/sq ft) was about 29.3% below the postcode norm. Most recent transfer: July 2019 at £138,000.

Before you decide

Everything you need to know about 21 Dyffryn Road

The true value, the hidden risks and the full sale history, in one report.

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

21 Dyffryn Road's carbon output runs well above what efficient homes in the postcode produce.

Current Certificate(1 of 2)
Jun 2019

EPC Rating

A
B
C
D
D58
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
6.1 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Jun 2019from Jun 2011
EPC improved fromF31toD58
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

Hot Water
Main (No Stat)Main System

Hot water system upgraded

Roof Insulation
InsulatedWell Insulated

Loft insulation upgraded to recommended levels

Low Energy Lighting
28%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Victorian-eraDetached HouseEPC DPre-1919 build

Because the property was built before 1919, we believe a Level 3 building survey should be considered.

From £885 · Includes VAT

Planning

Planning history

Applications and permits filed against 21 Dyffryn Road, Alltwen, Pontardawe, Swansea, SA8 3BX, sourced from the PlanIt planning register.

21 Dyffryn Road has no planning applications on record.

A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

21 Dyffryn Road valuation sits well clear of the typical sold price in this postcode.

Current estimate

£242,000

Modelled from EPC, postcode comparables and a sale-price growth of 9.8% per year over 5 years.

See how we calculated this
Last sold (2019)

£138,000

Growth on file: 9.8% per year over 5 years.

Sales timeline

  1. 4 July 2019Most recent

    £138,000

    +65.3%over 5 years

  2. 11 February 2014

    £83,500

Median price across the last 5 sales in SA8 3BX: £230,000 (2025–2024).

On the street

Versus other Dyffryn Road homes

Four headline reads against 18 similar houses on this street, drawn from the latest EPC and Land Registry data.

21 Dyffryn Road outperforms the street on floor area by a wide margin.

Price per m²

£1,150

Street avg £1,649

Below

Floor Area

120 m²

Street avg 97 m²

Strongly above

Habitable Rooms

4 rooms

Street avg 5 rooms

Below

CO₂ Emissions

6.1 t/year

Street avg 5.2 t/year

Below
Before you decide

Everything you need to know about 21 Dyffryn Road

The true value, the hidden risks and the full sale history, in one report.

Pick your report · every report is £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£236k

1 Bryn Morgrug, Alltwen, Pontardawe

SA8 3DG

4 bed
£260k

1 Derwen Road, Alltwen, Pontardawe

SA8 3AU

£222k

1 Heol Y Parc, Alltwen, Pontardawe

SA8 3BN

£269k

1 Clos Gwenallt, Pontardawe

SA8 3BD

£277k

1 Heol Alfred Wallace, Rhos, Pontardawe

SA8 3FA

£280k

1 Bryn Golau, Alltwen, Pontardawe

SA8 3AF

4 bed1 bath
£295k

1 Graig Gellinudd, Pontardawe

SA8 3HP

£303k

1 Heol Y Nant, Rhos, Pontardawe

SA8 3EQ

3 bed1 bath
Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Swansea district page.
Full Swansea report

Crime

2/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Tan yr Allt House — bus stop.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 21 Dyffryn Road, Alltwen, Pontardawe, Swansea, SA8 3BX. Each answer is also embedded as structured data for search engines.